function drawWalls() {
    for ( var i = 0 ; i < walls.length ; ++i){
        var tW=walls[i];
        if (tW.blood<1)continue;
        cxt.beginPath();
        var crg=cxt.createRadialGradient(tW.point.x,tW.point.y,tW.blood,tW.point.x,tW.point.y,tW.blood+10);
        crg.addColorStop(0,"#000");
        crg.addColorStop(1,"#f00");
        cxt.fillStyle=crg;
        cxt.arc(tW.point.x,tW.point.y,tW.blood+10,0,2*Math.PI);
        cxt.fill();
    }
}

function MakeWall() {
    if(BigShoot||shoot||MyImgCode<2)return;
    BigShoot=true;
    var wall={face:MyAngle,point:toRod(I.point,41,MyAngle)};
    sendMsg(3,wall);
    toFace(MyAngle);
}